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221000102111002 = 21091171865723259
BaseRepresentation
bin110010001111111110011000…
…100101001110011100011010
31001222111101220002122202200011
4302033332120211032130122
5212431331202120023002
62102010013442432134
764356505360122244
oct6217763045163432
91058441802582604
10221000102111002
11644656871a9835
122095337306264a
1396412b2a40a56
143c80667aa9094
151a83abe60b8d7
hexc8ff9894e71a

221000102111002 has 16 divisors (see below), whose sum is σ = 334827128037600. Its totient is φ = 109392790880880.

The previous prime is 221000102110969. The next prime is 221000102111017. The reversal of 221000102111002 is 200111201000122.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 432606352 + ... + 433116907.

It is an arithmetic number, because the mean of its divisors is an integer number (20926695502350).

Almost surely, 2221000102111002 is an apocalyptic number.

221000102111002 is a deficient number, since it is larger than the sum of its proper divisors (113827025926598).

221000102111002 is a wasteful number, since it uses less digits than its factorization.

221000102111002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 865724541.

The product of its (nonzero) digits is 16, while the sum is 13.

Adding to 221000102111002 its reverse (200111201000122), we get a palindrome (421111303111124).

The spelling of 221000102111002 in words is "two hundred twenty-one trillion, one hundred two million, one hundred eleven thousand, two".

Divisors: 1 2 109 218 1171 2342 127639 255278 865723259 1731446518 94363835231 188727670462 1013761936289 2027523872578 110500051055501 221000102111002